Table 4.
GC/MS operating conditions for PAHs analysis.
| Parameters | Conditions |
|---|---|
| Gas Chromatography | |
| Column | Agilent Technology, DB-5 ms (0–325 °C; 30 m*250 μm*0.25 μm) |
| Carrier Gas | Helium |
| Injection Volume Flow Rate |
1 μL, Splitless 1 mL/min, Constant Flow |
| Temperature Program | |
| Initial Temperature | 70 °C, hold 4 min |
| Final Temperature | 300 °C (20 °C/min to 120 °C, and then 10 °C/min to 300 °C), hold 10 min. |
| Total Run Time | 34.5 min |
| Mass Spectrometer | |
| Transfer Line Temperature | 290 °C |
| Source Temperature | 230 °C |
| Electron Energy | 70 volts |
| Ionization Mode | Electron ionization (EI) |
| Mass Range | 40–500 amu, SIM Mode, Time Segments |